Get a local business phone number in Red Bluff, CA
Red Bluff's area codes, prefixes and carriers from NANPA records, and how to put a Red Bluff number in front of your customers.
- Area code
- 530 / 837
- Exchanges
- 15NANPA-assigned
- Carriers
- 10
- Population
- 14,286Census 2024 est.
Red Bluff area codes
Red Bluff city is a Census place in Tehama County, California, with an estimated 14,286 residents in 2024. NANPA lists 15 exchanges for its rate center across 2 area codes; 530 has the most (14, 93%). 530 is part of an overlay with 837, so a new local number in Red Bluff may carry any of those codes depending on which have numbers available. Red Bluff is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 530 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
Phone carriers in Red Bluff
10 carriers hold the 15 exchanges assigned to Red Bluff's rate center. Pacific Bell has the most, with 3. 13 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Pacific Bell | 3 | 20% |
| T-mobile USA, INC. | 2 | 13% |
| Onvoy, LLC - CA | 2 | 13% |
| Charter Ip Enabled Services, LLC | 2 | 13% |
| AT&T - Local | 1 | 6.7% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 1 | 6.7% |
| Exiant Communications LLC | 1 | 6.7% |
| New Cingular Wireless PCS, LLC | 1 | 6.7% |
| Ip Horizon LLC | 1 | 6.7% |
| Opentact INC. | 1 | 6.7% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Exchanges (NPA-NXX) assigned in Red Bluff
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Red Bluff's rate center (RED BLUFF). The earliest assignment date recorded in the file for these codes is 2001. 3 of the 15 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 530 | 366, 526, 527, 528, 529, 567, 602, 690, 707, 727, 736, 737, 765, 840 |
| 837 | 222 |
Source: NANPA utilized central office code file.
When Red Bluff's exchanges were assigned
Assignment dates show when each block of Red Bluff numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 50% |
| 2020s | 3 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Red Bluff
What a caller sees as "local" is the area code plus prefix. In Red Bluff, those come from the RED BLUFF rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 530 numbers available change over time; porting an existing number is free.
Businesses around Red Bluff
Red Bluff is part of the Red Bluff, CA micropolitan area, home to 64,451 people in 2024. County Business Patterns counted 999 business establishments in the Red Bluff, CA micropolitan area in 2023, employing 13,620 people. The largest sectors by establishment count are retail trade (153), construction (138), and health care and social assistance (135).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 47 | 343 | 7.3 |
| Limited-service restaurants | 30 | 567 | 18.9 |
| Child day care services | 23 | 132 | 5.7 |
| Residential remodelers | 20 | 54 | 2.7 |
| Dental offices | 17 | 142 | 8.4 |
| Site preparation contractors | 17 | 145 | 8.5 |
| New single-family housing construction contractors | 15 | 35 | 2.3 |
| Agencies providing services for the elderly and persons with disabilities | 14 | 198 | 14.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Red Bluff
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Red Bluff, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Red Bluff, CA micropolitan area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Red Bluff, CA?
Red Bluff has exchanges in 530 and 837; 530 has the most.
How many phone companies have exchanges in Red Bluff?
10, holding 15 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Red Bluff business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Red Bluff?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).